Model Highlights

The 4.4-liter TwinPower Turbo V8 has been updated with Valvetronic, BMW's throttle-less intake system. It works in concert with High Precision Direct Injection and twin turbochargers, nestled on top of the engine, to deliver 445 horsepower, a 45-hp increase over its predecessor, and 480 lb-ft of torque, an increase of 30 lb-ft.